Home / 3,856.04-5,321.36-2,177.52

Finding the Fourth Proportional to 3,856.04, 5,321.36 and 2,177.52

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Solution

The fourth proportional to 3,856.04, 5,321.36 and 2,177.52 is: 3,004.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,856.04 : 5,321.36 = 2,177.52 : x
  2. Step 2: Convert to fraction form
    3,856.04/5,321.36 = 2,177.52/x
  3. Step 3: Cross multiply
    3,856.04x = 5,321.36 × 2,177.52
  4. Step 4: Simplify right side
    3,856.04x = 11,587,367.83
  5. Step 5: Solve for x
    x = 11,587,367.83/3,856.04
  6. Step 6: Final answer
    x = 3,004.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.